Traditionally Penetration Testing has been a consultant driven approach that depends only on the skills and effort of the security consultant that you hire.
Penetration Testing as Service also know as PTaaS is a relatively new concept that has emerged in the past five years. Penetration Testing as Service combines the power of continous automated testing with point in time expert lead consulting style penetration testing operations. Much like software as a service or SaaS, PTaaS offers a completely on demand nature of operations to its users.
Lets look at some of the key features of Penetration Testing as Service and also compare them to a more traditional approach to understand this better: